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177 commits

Author SHA1 Message Date
Guus Sliepen
87ad5c97a9 Various fixes, tinc is now somewhat capable of actually working again. 2001-10-30 12:59:12 +00:00
Guus Sliepen
66067cc9c1 - More s/vertex/edge/g 
- Implementation of Kruskal's minimum spanning tree algorithm.
 2001-10-28 10:16:18 +00:00
Guus Sliepen
94497336ef What was I thinking? s/vertex/edge/g. 2001-10-28 08:41:19 +00:00
Guus Sliepen
b98d9787fd Various small fixes to make tinc runnable again. 2001-10-27 15:19:13 +00:00
Guus Sliepen
ac066bb057 Make sure everything links. 2001-10-27 13:13:35 +00:00
Guus Sliepen
82e3837109 Big bad commit: 
- Transition to new node/vertex/connection structures
- Use new configuration handling everywhere
- Linux tun/tap device handling cleanup
- Start of IPv6 support in route.c

It compiles, but it won't link.
 2001-10-27 12:13:17 +00:00
Guus Sliepen
1ef90a87fd - Use ping timeout mechanism to close connections that don't authenticate 
in time.
- Fix potential segmentation fault in check_dead_connections().
 2001-10-08 13:37:30 +00:00
Guus Sliepen
ce9fd32c04 Fix bug where tinc would crash because of a portscan or a connection from a 
tinc daemon with a different version.
 2001-10-08 11:59:08 +00:00
Guus Sliepen
21027b1d57 - Renamed lastbutonehop to prevhop. 
- Added connection_t *via to connection_t, this keeps record of where
  to send UDP packets to.
 2001-10-08 11:47:55 +00:00
Guus Sliepen
18d1233c40 Fill in next- and lastbutonehop for myself. 2001-09-25 13:39:11 +00:00
Guus Sliepen
ec100a58b4 Try next connectto instead of the same over and over. 2001-09-25 13:35:45 +00:00
Guus Sliepen
24a2c7e51a Not only keep track of nexthop, but also of lastbutonehop. If destination cl 
wants indirectdata, send it to the lastbutonehop instead, unless it too has
requested so, and so on.
 2001-09-24 14:12:00 +00:00
Guus Sliepen
154733927a - Try old TUN/TAP ioctl() request if the one from if_tun.h fails. 
- Be more verbose about the kind of tap device used.
 2001-09-24 13:31:15 +00:00
Guus Sliepen
8ed27d40f3 Revised reconnection mechanism, always try out all ConnectTo lines. 2001-09-01 12:36:06 +00:00
Guus Sliepen
e1184ad15d Don't send DEL_HOSTs when !status.meta 2001-08-17 18:14:04 +00:00
Guus Sliepen
30d22474cc Explicitly log which type of tunnel device is used. 2001-07-24 20:14:30 +00:00
Guus Sliepen
fcbe215d64 Woohoo! tinc now compiles, runs and actually *works* on Solaris! 
Tested on a SparcStation 20MP running Solaris 7. (Thanks, jiggel!)
 2001-07-21 20:21:25 +00:00
Guus Sliepen
533ee1206f Always close all sockets in terminate_connection(). 2001-07-21 15:46:34 +00:00
Guus Sliepen
acb853205d Updated terminate_connection() so you can choose if DEL_HOSTs should be 
sent or not.
 2001-07-21 15:34:18 +00:00
Guus Sliepen
12f6b80429 Added purge_tree for connection_t's which are no longer in the connection, 
active or id trees, but which may still be referenced. This tree is flushed
when it is safe, this replaces purge_connection_tree().

Also lots of bugfixes related to the new trees.
 2001-07-20 20:25:10 +00:00
Guus Sliepen
37ed4265fa Remove all unnecessary status.meta and status.active checks. 2001-07-20 13:54:19 +00:00
Guus Sliepen
5e2ded68bf Correctly use the active_tree. 2001-07-19 12:29:40 +00:00
Guus Sliepen
319e0cb48e Split connection list into two lists: 
- one list to handle all incoming/outgoing TCP connections
 - another list to handle all UDP connections

This will prevent race conditions.
 2001-07-15 18:07:31 +00:00
Guus Sliepen
b3074590b1 Correct inclusion of standard if_tun.h header file. 2001-07-15 14:21:12 +00:00
Guus Sliepen
1e2bdc2b6d - Always use <openssl/include.h> instead of just <include.h> 
- Check if RAND_pseudo_bytes() exists, otherwise just use RAND_bytes()
 2001-07-04 08:41:36 +00:00
Guus Sliepen
5d34503574 Execute tinc-down BEFORE tap device is closed. This is a. more symmetric 
(tinc-up is started after tap device is opened) and b. is needed for
tun/tap device, where the interface does not exist anymore after the
device file is closed.
 2001-06-29 10:30:18 +00:00
Guus Sliepen
9e96840da8 Remove #warnings I used for debugging stuff. 2001-06-21 16:37:47 +00:00
Guus Sliepen
04ec0b82ab - Solaris compile fixes 
- Set mymac to broadcast MAC so that ifconfig hw ether <...> is really not
  needed anymore.
- Forwarding of indirect packets when in switch mode (because the kernel
  will not do it for us then).
 2001-06-21 16:16:32 +00:00
Guus Sliepen
ba918dce28 Only reset seconds_till_retry when we activate the outgoing connection. 2001-06-08 18:02:10 +00:00
Guus Sliepen
9cd9b03923 Add missing? counting of total_socket_in. 2001-06-05 19:45:47 +00:00
Guus Sliepen
7bd7f5b436 You can now put an option "Mode" in tinc.conf, and choose from: 
- Mode = router (default, work like tinc has always worked)
- Mode = switch (work like a switch)
- Mode = hub    (work like a hub, broadcasting everything)
 2001-06-05 19:39:54 +00:00
Guus Sliepen
4f9dad0972 - tinc can now act as a switch or a hub too (as opposed to a router only) 
- cleaner initialisation of "UNKNOWN" and "MYSELF" names
 2001-06-05 16:09:55 +00:00
Guus Sliepen
7db1b999c8 Make sure Solaris is happy too. 2001-05-28 08:56:57 +00:00
Guus Sliepen
65247c063b Small fixes to allow correct compilation under FreeBSD (tested with 4.3) 2001-05-28 08:21:43 +00:00
Guus Sliepen
fcf869cd42 TCPonly now works (in a relatively clean way too). 2001-05-25 11:54:28 +00:00
Guus Sliepen
a5e2ae6b2b With recent kernels the tun device file is located in /dev/net. 2001-05-25 10:08:11 +00:00
Guus Sliepen
4dee76522e Small fixes: 
- Fix compiler warnings (one was a real (but harmless) bug)
- Don't send PING packets if there is UDP traffic
- Correctly terminate strings containing salt for PING/PONG packets
 2001-05-25 08:36:11 +00:00
Guus Sliepen
e4f3d93ec6 - s/ip_t/ipv4_t/g 
- Add "salt" to the beginning of UDP packets. Replaces length field which
  is not useful anyway.
 2001-05-07 19:08:46 +00:00
Guus Sliepen
a26081467c Correctly cycle through ConnectTo variables. 2001-05-04 18:45:02 +00:00
Guus Sliepen
c426e981ee Ignore alarm signals if we do not need to respond to them. 2001-03-13 21:32:24 +00:00
Guus Sliepen
34f9e6cf2d - route.c is now used to determine destination 
- flags are removed, since they were not used at all. Use options instead.
- indirectdata works now, tcponly almost...
- made functions that don't return useful information void
 2001-03-04 13:59:32 +00:00
Guus Sliepen
125c497881 Various small fixes. 2001-03-01 21:32:04 +00:00
Guus Sliepen
4fa12eb85d Removed lots of compiler warnings. 2001-02-27 16:37:31 +00:00
Guus Sliepen
173d606514 - Fixed Interface option (untested) 
- Removed error handling for non-critical socket options
- Added TCP_NODELAY and IPTOS_LOWDELAY options for meta sockets.
 2001-02-27 16:17:04 +00:00
Guus Sliepen
24fa685859 Don't forget to reconnect if outgoing connection fails during 
authentication.
 2001-02-27 15:33:39 +00:00
Guus Sliepen
82455be966 Implemented new authentication scheme from doc/SECURITY2. 2001-02-25 19:09:45 +00:00
Guus Sliepen
54881faf6f Encrypt network packets in CBC mode instead of CFB mode. 
(This breaks compatibility with all previous versions!)
 2001-02-25 16:34:19 +00:00
Guus Sliepen
9de5787574 Copy packets before putting them in the queue. 2001-02-25 16:04:00 +00:00
Guus Sliepen
a56df1e06b - Allow ASN1 style keys to be in the config files. 
Note: tinc ignores private key in the main config file, tinc.conf,
  because it should really be in a separate file.
- When generating new keys, check if name is known and by default append
  the public key to the host configuration file (otherwise rsa_key.pub).
 2001-01-13 16:36:23 +00:00
Guus Sliepen
d646f4e094 - Only send out DEL_HOSTs for hosts with a meta connection 2001-01-11 11:19:08 +00:00